Charging dock



FIG. 1 is a top, front, and left side perspective view of a chargingdock showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The dash-dash broken lines illustrate portions of the charging dock thatform no part of the claimed design.

CLAIM The ornamental design for a charging dock, as shown and described.